Frequently Asked Questions
If the pump is situated below the water level, it must have a non-return valve fitted to stop water siphoning back into the pump if there is a power cut.
The diaphragm may need replacing, we recommended these are replaced annually. View diaphragm kits
The airpumps are weather proof and can be used outside, they are not waterproof so do not situate in a position where they are likely to be flooded
All the parts in the air pump can be replaced, if you have replaced the diaphragm kit and you pump still does not work it may be the electro-magnet. View electro-magnets